APA
Spiegel R M. ., . (1951). Schaum`s cutline of Theory and problems of statistics in is units. New York: McGraw Hill Book Company.
Chicago
Spiegel R Murray, . 1951. Schaum`s cutline of Theory and problems of statistics in is units. New York: McGraw Hill Book Company.
Harvard
Spiegel R M. ., . (1951). Schaum`s cutline of Theory and problems of statistics in is units. New York: McGraw Hill Book Company.
MLA
Spiegel R Murray, . Schaum`s cutline of Theory and problems of statistics in is units. New York: McGraw Hill Book Company. 1951.